The all natural fire resistant materials absorb all of the heat when lit. Borosilicate glass and fire resistant briar wood makes for the coolest smoke produced. This is the same wood that high end exquisite smoking pipes are made of. This is not a novelty pipe. This is an extremely high quality high performance device designed for an optimal smoking experience. You will not be disappointed! Length: 5.8 inches. Width: 1.5 inches. Height: 2.1 inches. Bowl Size: 14 mm (reflects inner dimensions of bowl). Bowl Depth: All GlassWood bowls are approximately 0.75 – 1.0 inches deep. Outside Material: Briar wood, midnight blue 8 swirl stem, ebonite tip. All GlassWood Pipes feature a removable plug and easily pull apart at the tip and stem for quick and effort free cleaning. All orders include a standard 1/4 hex wrench for oil plug removal, a carrying bag, and wooden pokers for tamping and cleaning. Last picture shows how GlassWood Pipes break down for cleaning. That Picture Is For Reference Only. Last Pic Not Included. Listing Is For One Pipe Only. You can see a video of how the pipe functions on their youtube or their site.